<script setup lang="ts" name="App">
    import { ref } from 'vue'
        var geyaonumber = ref(0)
    
        var score = ref(0)
    
    
        </script>
        
        <template>
          <div>{{geyaonumber}}</div>
          <div>{{score}}</div>
    
         <button @click="geyaonumber++">增加</button>
    
         <button @click="score--">减少</button>
    
        </template>
        
        <style scoped>
        
        </style>
        
        
        
        
        